Gordon Aatlo Legacy Collection 18k Indicolite Rococo Cut Tourmaline & Diamond RingA one of a kind ring designed and made by Gordon Aatlo. Gordon's fascination with unusual cut gems began in the 1960's and the Rococo cut was one of the few available at that time. Later in his career, he would be known for his work with several gem artists. The Tourmaline in this ring weighs 24. 98 carats and measures 16. 72 mm in length by 14. 25 mm at it's widest point. Made in 18k yellow gold approximately 9. 9 DWT. The Tourmaline is secured by